Gemini 1.5 Pro vs Claude 3.5 Sonnet
Compare pricing, context windows, and strengths for Gemini 1.5 Pro by Google and Claude 3.5 Sonnet by Anthropic - and see how to put either to work in Appaca.
Gemini 1.5 Pro
A next-generation multimodal model with breakthrough long-context capability up to 1M tokens and strong reasoning across text, code, audio, video, and images.
View Gemini 1.5 ProClaude 3.5 Sonnet
A fast, mid-tier model offering top-tier intelligence, strong reasoning, and advanced coding/vision capabilities at low cost.
View Claude 3.5 SonnetGemini 1.5 Pro vs Claude 3.5 Sonnet at a glance
Specs and pricing side by side, from the Appaca AI models directory.
| Spec | Gemini 1.5 Pro | Claude 3.5 Sonnet |
|---|---|---|
| Provider | Anthropic | |
| Model type | Text | Text |
| Context window | 1M tokens | 200K tokens |
| Input price | $3.5 / 1M tokens | $3 / 1M tokens |
| Output price | $7 / 1M tokens | $15 / 1M tokens |
| Status | Current | Superseded by Claude 4.5 Sonnet |
How Gemini 1.5 Pro and Claude 3.5 Sonnet differ
What the numbers mean in practice when choosing between Gemini 1.5 Pro and Claude 3.5 Sonnet.
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Claude 3.5 Sonnet is 14% cheaper on input tokens ($3 vs $3.5 per million), which adds up quickly in document-heavy workloads.
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Gemini 1.5 Pro is 53% cheaper on output tokens ($7 vs $15 per million) - the bigger factor for tools that generate long documents.
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Gemini 1.5 Pro's 1M tokens context window is roughly 5x larger than Claude 3.5 Sonnet's 200K tokens, so it can work across bigger codebases, contracts, or archives in one pass.
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Claude 3.5 Sonnet has been superseded by Claude 4.5 Sonnet - for new builds, consider the newer model first.
Strengths side by side
Where each model shines, according to benchmarks and provider positioning.
Gemini 1.5 Pro
1. Breakthrough long-context window up to 1,000,000 tokens
- Can process 1 hour of video, 11 hours of audio, 700k+ words, or 100k+ lines of code in a single prompt.
- Supports advanced retrieval, reasoning, summarization, and cross-document tasks.
- Achieves 99% retrieval accuracy on 1M-token Needle-In-A-Haystack tests.
2. Strong multimodal reasoning across video, audio, images, and text
- Can analyze long videos (e.g., full silent films), track events, infer causality, and identify small details.
- Handles large complex documents like manuals, transcripts, and books.
3. High-performance reasoning and problem solving
- Comparable to Gemini 1.0 Ultra across many benchmarks.
- Excels at code reasoning, multi-step explanations, and large-scale codebase analysis.
4. Advanced code understanding and generation
- Performs problem-solving on codebases exceeding 100,000 lines.
- Capable of cross-file reasoning, debugging guidance, API comprehension, and generating structured code improvements.
5. Efficient Mixture-of-Experts (MoE) architecture
- Activates only relevant expert pathways per input.
- Enables faster training, lower latency, and more efficient serving.
- Dramatically improves scalability and inference speed.
6. Exceptional in-context learning capabilities
- Learns new tasks directly from long prompts without fine-tuning.
- Demonstrated by learning to translate a low-resource language (Kalamang) from a grammar manual.
7. High-fidelity multimodal understanding
- Reads, analyzes, and reasons about long PDFs, code repositories, images, and videos together.
- Enables new classes of applications: legal analysis, scientific review, codebase audits, long-form content generation, etc.
8. Safety and reliability first
- Undergoes extensive ethics, safety testing, and red-teaming.
- Improved representational safety and reduced hallucinations compared to previous generations.
9. Available for developers and enterprises
- Accessible via AI Studio and Vertex AI.
- Supports future pricing tiers for expanded context windows.
- Designed for real enterprise-scale workloads.
10. Widely capable mid-size model
- Positioned between Gemini Pro and Gemini Ultra generations.
- Well-balanced: reasoning, multimodality, long-context, and speed.
Claude 3.5 Sonnet
1. Intelligence & Reasoning
- Outperforms previous Claude models and competitor LLMs across major benchmarks.
- Excels in graduate-level reasoning (GPQA), knowledge tasks (MMLU), and coding (HumanEval).
- Handles nuance, humor, and complex instructions with human-like clarity.
2. Speed & Efficiency
- Runs 2x faster than Claude 3 Opus, making it ideal for real-time and high-volume workflows.
- Cost-effective pricing: $3/M input tokens and $15/M output tokens.
- Supports a 200K token context window, enabling rich, long-form reasoning.
3. Coding Capabilities
- Solves significantly more coding and bug-fix tasks (64% vs Opus's 38% in internal evaluations).
- Can autonomously write, edit, and execute code when tool use is enabled.
- Strong at translating and modernizing legacy codebases.
4. Vision Strength
- Best vision model in the Claude family, surpassing Opus on vision benchmarks.
- Excellent at interpreting charts, graphs, and imperfect images.
- Reliable text extraction from low-quality visuals for retail, logistics, finance, etc.
5. Agentic Workflows
- Highly capable for multi-step task orchestration.
- Performs well as the engine for agents requiring reasoning, planning, and tool-calling abilities.
6. Content Quality
- Produces natural, relatable writing with improved tone, style, and context awareness.
- Strong at long-form content creation and editing.
7. Safety & Reliability
- Rated ASL-2, meeting Anthropic's safety standards.
- Undergoes extensive red-teaming and external evaluation (UK AISI & US AISI).
- Not trained on user data without explicit permission.
Use Gemini 1.5 Pro or Claude 3.5 Sonnet - or both
Appaca is the AI workspace for operators. Build internal tools and AI co-workers powered by Gemini 1.5 Pro or Claude 3.5 Sonnet - connected to your real data and ready for your whole team. No code, no deployment.
Describe it, and it's built
Tell the Appaca agent the internal tool you need and it builds a working app powered by Gemini 1.5 Pro or Claude 3.5 Sonnet. No code, no API keys, no deployment.
Switch models without rebuilding
Start on Gemini 1.5 Pro, test the same tool on Claude 3.5 Sonnet, and keep whichever performs better - the rest of your app stays exactly as it is.
Automated for the whole team
Schedule tools to run on autopilot - daily digests, weekly reports, real-time triggers - and share them with your whole team from one workspace.
Describe it, and it's built
Tell the Appaca agent what your team needs and it builds a working app powered by Gemini 1.5 Pro or Claude 3.5 Sonnet - connected to the tools you already use.







Related comparisons
See how Gemini 1.5 Pro and Claude 3.5 Sonnet stack up against other models in the directory.
FAQs
Gemini 1.5 Pro is generally cheaper: $3.5 input / $7 output per million tokens, versus $3 / $15 for Claude 3.5 Sonnet. Actual cost depends on how many tokens your workload reads and writes.
Gemini 1.5 Pro has the larger context window at 1M tokens, compared to 200K tokens for Claude 3.5 Sonnet. A larger window means the model can consider more text at once - useful for long contracts, codebases, or months of records.
It depends on the job. Compare the pricing, context window, and strengths above against your workload - and remember the choice isn't permanent. In Appaca you can build a tool on Gemini 1.5 Pro, test the same tool on Claude 3.5 Sonnet, and switch at any time without rebuilding anything.
Yes. Appaca is a no-code AI workspace: describe the internal tool your team needs and the Appaca agent builds it as a working app powered by Gemini 1.5 Pro, Claude 3.5 Sonnet, or any other model in the directory - with a built-in database, team access, and integrations. No API keys to wire up and nothing to deploy.
Build AI tools with Gemini 1.5 Pro or Claude 3.5 Sonnet
Describe the tool your team needs and get a working app powered by the model you choose - with a built-in database, team access, and integrations. No code, no deployment.